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A CMOS ultra low-power and highly efficient UWB-IR transmitter for WPAN applications

  • Shengxi Diao*
  • , Yuanjin Zheng
  • , Chun Huat Heng
  • *此作品的通讯作者
  • Agency for Science, Technology and Research, Singapore
  • National University of Singapore

科研成果: 期刊稿件文章同行评审

摘要

This brief presents an on-off LC oscillator-based ultrawideband impulse radio (UWB-IR) transmitter for long-range application. A thorough theoretical analysis of the pulse generation is provided. Implemented in a 0.18-μm CMOS, the transmitter works in the UWB lower band of 3-5 GHz and consumes an ultralow average power of 236 μW at 1.8-V power supply. UWB pulses with a bandwidth of 2 GHz and 10-dB sidelobe suppression are generated. The transmitter can deliver a large differential output swing of 4.9 V under 100-Ω load with the highest power efficiency of 25.4% to date. It is targeted for wireless sensor network (WSNs) and wireless personal area network (WPAN) applications.

源语言英语
页(从-至)200-204
页数5
期刊IEEE Transactions on Circuits and Systems II: Express Briefs
56
3
DOI
出版状态已出版 - 2009
已对外发布

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